Background Due to the national dynamic zero-COVID strategy in China, there were no
persistent local transmissions of SARS-CoV-2 in Beijing before December, 2022. However …

With the recent ongoing autumn/winter 2022 COVID-19 wave and the adjustment of public
health control measures, there have been widespread SARS-CoV-2 infections in Chinese …

The Omicron family of SARS-CoV-2 variants are currently driving the COVID-19 pandemic.
Here we analyzed the clinical laboratory test results of 9911 Omicron BA. 2.2 sublineages …

Objective To explore the effects of long-term oral ACEIs/ARBs on the incidence of
exacerbation and in-hospital mortality in elderly COVID-19 Omicron BA. 2 patients with …

Importance The global COVID-19 pandemic does not appear to end in the near future.
Currently, limited data are available on the risk factors for delayed viral clearance in patients …

Background The aim of this study was to analyze clinical features and short-term mortality in
hemodialysis (HD) patients infected with severe acute respiratory syndrome coronavirus-2 …

To evaluate the effect of Nirmatrelvir‐ritonavir therapy and coronavirus disease 2019
(COVID‐19) vaccination on clinical outcomes of severe acute respiratory syndrome …

The continued emergence of vaccine-resistant SARS-CoV-2 variants of concern (VOC)
requires specific identification of each VOC as it arises. Here, we report an expanded …

Digital social responsibility (DSR) has emerged as a wise strategic decision for all higher
education institutions during the new crown pandemic. This study explores whether the DSR …

Shanghai has faced an unprecedented COVID‐19 pandemic with the BA. 2.2 strain of
severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) Omicron infection …